Added String hostname support to WiFiClient and WiFiClientSecure (#3349)

* Added String hostname support to WiFiClient and WiFiClientSecure

* Typo in WiFi

Author: Mindavi

Diff for: libraries/ESP8266WiFi/src/WiFiClient.cpp

@@ -102,6 +102,11 @@ int WiFiClient::connect(const char* host, uint16_t port)
     return 0;
 }
 
+int WiFiClient::connect(const String host, uint16_t port)
+{
+    return connect(host.c_str(), port);
+}
+
 int WiFiClient::connect(IPAddress ip, uint16_t port)
 {
     ip_addr_t addr;

Diff for: libraries/ESP8266WiFi/src/WiFiClient.h

@@ -46,6 +46,7 @@ class WiFiClient : public Client, public SList<WiFiClient> {
   uint8_t status();
   virtual int connect(IPAddress ip, uint16_t port);
   virtual int connect(const char *host, uint16_t port);
+  virtual int connect(const String host, uint16_t port);
   virtual size_t write(uint8_t);
   virtual size_t write(const uint8_t *buf, size_t size);
   size_t write_P(PGM_P buf, size_t size);

Diff for: libraries/ESP8266WiFi/src/WiFiClientSecure.cpp

@@ -454,6 +454,11 @@ int WiFiClientSecure::connect(const char* name, uint16_t port)
     return _connectSSL(name);
 }
 
+int WiFiClientSecure::connect(const String host, uint16_t port)
+{
+    return connect(host.c_str(), port);
+}
+
 int WiFiClientSecure::_connectSSL(const char* hostName)
 {
     if (!_ssl) {

Diff for: libraries/ESP8266WiFi/src/WiFiClientSecure.h

@@ -36,6 +36,7 @@ class WiFiClientSecure : public WiFiClient {
   WiFiClientSecure& operator=(const WiFiClientSecure&);
 
   int connect(IPAddress ip, uint16_t port) override;
+  int connect(const String host, uint16_t port) override;
   int connect(const char* name, uint16_t port) override;
 
   bool verify(const char* fingerprint, const char* domain_name);